Message on the facade of the Strasbourg City Hall in France calling for the release of Fariba Adelkhah and Roland Marchal, two French scientists detained in Iran since June 2019.

Message on the facade of the Strasbourg City Hall in France calling for the release of Fariba Adelkhah and Roland Marchal, two French scientists detained in Iran since June 2019.

© 2020 Nicolas Roses/Sipa via AP Images